20122798 has 8 divisors (see below), whose sum is σ = 31959792. Its totient is φ = 9469536.

The previous prime is 20122787. The next prime is 20122807. The reversal of 20122798 is 89722102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295890 + ... + 295957.

It is an arithmetic number, because the mean of its divisors is an integer number (3994974).

Almost surely, 2^20122798 is an apocalyptic number.

20122798 is a deficient number, since it is larger than the sum of its proper divisors (11836994).

20122798 is a wasteful number, since it uses less digits than its factorization.

20122798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591866.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 20122798 is about 4485.8441791930. The cubic root of 20122798 is about 271.9961702892.

The spelling of 20122798 in words is "twenty million, one hundred twenty-two thousand, seven hundred ninety-eight".